Question

Evaluate: $96abc(3a-12)(5b-30)÷144(a-4)(b-6)$

• A. $10abc$
• B. $2abc$
• C. $2ab$
• D. $2bc$

Answer 1

The correct option is A $10abc$

$96abc(3a-12)(5b-30)÷144(a-4)(b-6)$
$=\frac{96abc(3a-12)(5b-30)}{144(a-4)(b-6)}$
$=\frac{48\times 2\times abc\times 3\times (a-4)\times 5\times (b-6)}{48\times 3\times (a-4)\times (b-6)}$
$=10abc$